1203040404 has 48 divisors (see below), whose sum is σ = 3283156800. Its totient is φ = 379906848.

The previous prime is 1203040403. The next prime is 1203040427. The reversal of 1203040404 is 4040403021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203040403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291087 + ... + 295190.

It is an arithmetic number, because the mean of its divisors is an integer number (68399100).

Almost surely, 2^1203040404 is an apocalyptic number.

It is an amenable number.

1203040404 is an abundant number, since it is smaller than the sum of its proper divisors (2080116396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203040404 is a wasteful number, since it uses less digits than its factorization.

1203040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586309 (or 586301 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1203040404 is about 34684.8728410528. The cubic root of 1203040404 is about 1063.5552876579. Note that the first 3 decimals are identical.

Adding to 1203040404 its reverse (4040403021), we get a palindrome (5243443425).

The spelling of 1203040404 in words is "one billion, two hundred three million, forty thousand, four hundred four".